Rab Adrift 24L Day Pack vs. Osprey Flapjill

Two carry-on travel backpacks, compared spec for spec.

Rab Adrift 24L Day Pack

by Rab
Front facing view of the Rab Adrift 24L Day Pack
Capacity24 L
Weight0.7 kg
Dimensions52×30×25 cm
Airline fit39%
Price$80

Feature by feature

Rab Adrift 24L Day PackFeatureOsprey Flapjill
Storage
N Compression
None Expanded Capacity None
0 Opening 0
N Passport side
N Passthrough N
Carry
Y Backpack
removable Hip Belt removable
Y Sternum Strap
Inside
16in Laptop 15in
3 Main Compartments 3
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder
Y Water Resistant Y
Material
nylon ripstop600D Polyspun

Osprey Flapjill

Front facing view of the Osprey Flapjill
Capacity19 L
Weight0.9 kg
Dimensions46×34×23 cm
Airline fit74%
Price$110

Key differences between the Rab Adrift 24L Day Pack and Osprey Flapjill

Both have: hip belt, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 73 accept both. 0 accept only the Rab Adrift 24L Day Pack, and 66 accept only the Osprey Flapjill.

Only the Osprey Flapjill fits

Aer Lingus, Air Asia, Air Canada, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Oman Air, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, Virgin Australia, WestJet.

Rab Adrift 24L Day Pack vs. Osprey Flapjill: which should you pack?

The Rab Adrift 24L Day Pack carries 5L more than the Osprey Flapjill (24L vs. 19L), while the Rab Adrift 24L Day Pack is the lighter pack at 0.7kg (vs. 0.9kg). For carry-on flexibility, the Osprey Flapjill fits 74% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Rab Adrift 24L Day Pack; if you want to travel lighter, the Rab Adrift 24L Day Pack is the better call.